🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.3

Radius: 12.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.06 AU - 1.14 AU

Year: 811 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,124,691 km

• M1: 153,039 km (0.085 R)
• M2: 766,091 km (0.11 R)
• M3: 1,642,285 km (0.101 R)
• M4: 2,150,320 km (0.085 R)
• M5: 2,639,954 km (0.114 R)
• M6: 3,461,844 km (0.081 R)
• M7: 4,787,132 km (0.098 R)
• M8: 5,302,796 km (0.094 R)
• M9: 6,245,113 km (0.112 R)
• M10: 6,862,054 km (0.099 R)
• M11: 7,886,800 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 12.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.68 AU - 2.04 AU

Year: 1783 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,124,691 km

• M1: 160,369 km (0.115 R)
• M2: 698,772 km (0.048 R)
• M3: 1,109,119 km (0.088 R)
• M4: 1,677,591 km (0.112 R)
• M5: 2,359,158 km (0.118 R)
• M6: 2,794,488 km (0.111 R)
• M7: 3,515,400 km (0.071 R)
• M8: 4,317,694 km (0.088 R)
• M9: 5,040,401 km (0.096 R)
• M10: 5,987,954 km (0.108 R)
• M11: 6,414,308 km (0.094 R)
• M12: 7,642,058 km (0.077 R)
• M13: 8,327,365 km (0.065 R)
• M14: 9,183,664 km (0.095 R)
• M15: 9,820,801 km (0.083 R)
• M16: 11,071,888 km (0.104 R)
• M17: 11,910,833 km (0.054 R)
• M18: 13,039,698 km (0.115 R)
• M19: 14,062,798 km (0.071 R)
• M20: 14,728,958 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 14

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.03 AU - 2.75 AU

Year: 2597 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,124,691 km

• M1: 174,282 km (0.098 R)
• M2: 783,145 km (0.102 R)
• M3: 1,840,802 km (0.097 R)
• M4: 3,491,465 km (0.09 R)
• M5: 4,863,726 km (0.056 R)
• M6: 6,851,283 km (0.032 R)
• M7: 9,618,096 km (0.096 R)
• M8: 10,317,765 km (0.038 R)
• M9: 11,330,244 km (0.119 R)
• M10: 14,197,586 km (0.085 R)
• M11: 16,001,287 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 11.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.01 AU - 3.13 AU

Year: 2896 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,124,691 km

• M1: 144,362 km (0.1 R)
• M2: 597,195 km (0.084 R)
• M3: 1,101,340 km (0.045 R)
• M4: 1,605,933 km (0.09 R)
• M5: 2,840,116 km (0.09 R)
• M6: 3,323,317 km (0.083 R)
• M7: 4,131,444 km (0.073 R)
• M8: 4,646,510 km (0.074 R)
• M9: 5,391,657 km (0.093 R)
• M10: 5,956,987 km (0.05 R)
• M11: 6,346,690 km (0.084 R)
• M12: 6,864,897 km (0.106 R)
• M13: 8,396,480 km (0.105 R)
• M14: 9,225,551 km (0.056 R)
• M15: 11,280,128 km (0.101 R)
• M16: 11,960,200 km (0.071 R)
• M17: 12,966,395 km (0.044 R)
• M18: 14,302,604 km (0.032 R)
• M19: 15,291,146 km (0.099 R)
• M20: 15,876,224 km (0.06 R)
• M21: 16,832,902 km (0.094 R)
• M22: 17,299,348 km (0.108 R)
• M23: 17,668,107 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.13 AU - 4.65 AU

Year: 6466 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,124,691 km

• M1: 303,235 km (0.113 R)
• M2: 925,263 km (0.115 R)
• M3: 1,339,051 km (0.031 R)
• M4: 2,005,958 km (0.068 R)
• M5: 4,371,549 km (0.098 R)
• M6: 5,911,958 km (0.076 R)
• M7: 7,788,664 km (0.102 R)
• M8: 8,429,990 km (0.08 R)
• M9: 11,738,347 km (0.104 R)
• M10: 14,728,359 km (0.105 R)
• M11: 16,859,530 km (0.073 R)
• M12: 18,128,569 km (0.109 R)
• M13: 20,220,247 km (0.085 R)
• M14: 22,845,839 km (0.091 R)
• M15: 23,769,306 km (0.09 R)
• M16: 25,039,243 km (0.107 R)
• M17: 30,666,965 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.5

Radius: 6.5

Gravity: 19.87 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.38 AU - 5.78 AU

Year: 9265 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 99.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,124,691 km

• M1: 81,381 km (0.109 R)
• M2: 359,932 km (0.054 R)
• M3: 796,609 km (0.118 R)
• M4: 1,645,876 km (0.113 R)
• M5: 2,096,764 km (0.116 R)
• M6: 2,626,939 km (0.094 R)
• M7: 3,242,683 km (0.094 R)
• M8: 4,283,585 km (0.108 R)
• M9: 6,055,722 km (0.117 R)
• M10: 7,959,504 km (0.101 R)
• M11: 8,536,802 km (0.112 R)
• M12: 12,601,676 km (0.095 R)
• M13: 19,883,203 km (0.099 R)
• M14: 21,445,902 km (0.061 R)
• M15: 22,300,405 km (0.04 R)
• M16: 22,736,034 km (0.105 R)
• M17: 30,076,054 km (0.105 R)
• M18: 39,609,028 km (0.096 R)
• M19: 42,205,898 km (0.081 R)
• M20: 42,605,025 km (0.116 R)
• M21: 44,638,209 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.3

Radius: 6

Gravity: 21.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.61 AU - 12.07 AU

Year: 23372 Days

Day: 17.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,124,691 km

• M1: 78,688 km (0.092 R)
• M2: 484,697 km (0.083 R)
• M3: 789,578 km (0.1 R)
• M4: 1,217,278 km (0.106 R)
• M5: 1,483,712 km (0.102 R)
• M6: 1,788,592 km (0.082 R)
• M7: 2,222,127 km (0.12 R)
• M8: 4,391,595 km (0.099 R)
• M9: 4,982,806 km (0.037 R)
• M10: 5,880,543 km (0.103 R)
• M11: 7,222,735 km (0.107 R)
• M12: 8,314,051 km (0.114 R)
• M13: 9,511,133 km (0.047 R)
• M14: 10,119,698 km (0.087 R)
• M15: 14,884,390 km (0.074 R)
• M16: 16,813,753 km (0.041 R)
• M17: 17,883,827 km (0.119 R)
• M18: 18,342,793 km (0.098 R)
• M19: 24,479,298 km (0.026 R)
• M20: 25,619,533 km (0.111 R)
• M21: 28,499,741 km (0.109 R)
• M22: 32,530,057 km (0.08 R)
• M23: 34,187,003 km (0.072 R)
• M24: 56,274,979 km (0.098 R)
• M25: 57,061,864 km (0.109 R)
• M26: 74,853,688 km (0.109 R)
• M27: 81,935,951 km (0.065 R)
• M28: 82,187,873 km (0.1 R)
• M29: 87,072,244 km (0.112 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,635 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit